Lab on virtual functions school_virtual.cpp Make a copy of
school.cpp and name it school_virtual.cpp Get an input file called
campus.dat from my public directory. 3 Meg Ryan 666-44-5555
[email protected] MATH 3.75 J 2 Sophie Watkins 222-11-4444
[email protected] 110 15 1 Mike Smith 111-22-3333 [email protected] 3
Bob Lopez 333-44-5555 [email protected] CS 3.25 S 2 Kathy Ross
222-33-4444 [email protected] 100 5 1 means Person 2 means Faculty 3
means Student Make a function called readData to make a linked list
of all the people from the input file. See the picture on the
bottom. The element field points to an Person, Faculty or Student
object.
Please read instructions carefully
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Make a c-stand-alone function called sort to sort all the people by SSN using the selection sort algorithm. You might want to check your selectionSortAll.cpp. Requirement: Don't overwrite data inside a Person, Faculty or Student object. Instead swap pointers (addresses). Student obj Kathy Faculty obi Faculty obj Sophie Person obi Mike 111 Student obj Bob Meg 666
#include <iostream> using namespace std; #include "LL_1.h" *Person Class class Person { protected: static int num; // total number of people created static int current_id; const int id; string firstname; string lastname; string SSN; string email; public: Person(string f = "unknown", string 1 "unknown", string s = "000-00-0000", string e = void printInfo(); static int getNum(); static int getCurrentID(); }; "unknown"); int Person:: num = B; int Person: :current_id = 1000; Person::Person(string f, string 1, string s, string e): id(current_id) { num++; current_id++; firstname = f;
Person::Person(string f, string 1, string s, string e): id(current_id) { num++; current_id++; firstname f; lastname 1; SSN = 5; email = e; } void Person:: printInfo() { cout << id << " (ID) "<< firstname << } (fn) << lastname << (In) " «< SSN «< " (SSN) " << email « (email) int Person::getNum() { return num; } int Person::getCurrentId() { return current_id; }
= ****** Faculty class* class Faculty : public Person { private: int D_id; int ys; public: Faculty (string f = "unknown", string 1 = "unknown", string s = "000-00-0000", string e = "unknown", int d = -1, int y { D_id = d; ys = y; } void printInfo() { Person::printInfo(); cout << D_id << (department id) << ys << (years at school) << endl; } }; **Student** class Student : public Person { private: string major; double gpa; char grade; public: Student(string f = "unknown", string 1 = "unknown", string s = "000-00-0000", string e = "unknown", string m = "unknown", { major gpa = g grade = gr; = m;
Student(string † = "unknown", string 1 = "unknown", string 5 = "000-00-0000", string e = "unknown", string m = "unknown"; { major = m; gpa = g; grade = gr; } void printInfo() { Person::printInfo(); cout << major << (major) " << gpa «< " (gpa) " «< grade << " (grade) " << endl; } }; int main() { Person p; Faculty f("Kathy", "Ross", "222-33-4444", "[email protected]", 100, 2); Student si"Tom", "Lopez", "333-44-5555", "[email protected]", "CS", 3.33, 'I'); cout << "Person: "; p.printInfo(); cout << endl << "Faculty: "; f.printInfo(); cout << "Student: "; s.printInfo(); cout << "Num = " « p.getNum() << endl; cout << "Current ID << p-getCurrentID() << endl; return; }
Printing everyone in the list Student :: print Info() Person::printInfo() 1800 (ID) Meg(first_nane) Ryan(Last_nane) 666-44-5555(SSN) megecsusm.edu(enail) MATH (major) 3.75 (gpa) (grade level) Faculty::printInfo() Person::printInfo() 1001 (ID) Sophie(first_name) Watkins (last_name) 222-11-4444(SSN) [email protected](email) 110(dep_id) 15 (years) Person::printInfo() 1802(ID) Mike(first_nane) Smith(last_name) 111-22-3333(SSN) mikegcsusm.edu(email) Student :: printInfo() Person::printInfo() 1003 (ID) Bob(first_nane) Lopez (last_name) 333-44-5555(SSN) [email protected](email) CS(major) 3.25 (gpa) S(grade level) Faculty::printInfo) Person::printInfo() 1004 (ID) Kathy(first_name) Ross(last_name) 222-33-4444 (SSN) [email protected](email) 100(dep_id) 5(years) Printing everyone in the list after sort Person::printInfo() 1802(ID) Mike(first_nane) Smith(Last_name) 111-22-3333 (SSN) mikegcsusm.edu(email) Faculty::print Info] Person::printInfo() 1881 (ID) Sophie(first_name) Watkins (last_nane) 222-11-4444(SSN) sophlegcsusn.edu(email) 110(dep_id) 15 (years) Faculty:: printInfo() Person::printInfo() 1004 (ID) Kathy(first_name) Ross(last_name) 222-33-4444 (SSN) [email protected](email) 100(dep_id) 5(years) Student :: printInfo() Person::printInfo() 1003 (ID) Bob(first_name) Lopez( Last_name) 333-44-5555(SSN) [email protected](email) CS(major) 3.25 (gpal S(grade level) Student :: printInfo() Person::printInfo() 1000 (ID) Meg(first_name) Ryan(last_name) 666-44-5555 (SSN) [email protected](email) MATH (major) 3.75(gpa) (grade level)